Dauben, William G. published the artcileFluorinated chirons for vitamin D3 syntheses. A serendipitous synthesis of a 9α-hydroxy derivative of (7Z)-vitamin D3, Application In Synthesis of 107263-95-6, the publication is Journal of Organic Chemistry (1992), 57(5), 1597-600, database is CAplus.
The synthesis of three fluorinated vitamin D3 C/D-ring precursors I, II, and III is reported. A serendipitous synthesis of a 9α-hydroxy derivative of (7Z)-vitamin D3 from a fluorinated precursor is described.
Journal of Organic Chemistry published new progress about 107263-95-6. 107263-95-6 belongs to pyridine-derivatives, auxiliary class Fluorination reagent, name is 1-Fluoropyridiniumtriflate, and the molecular formula is C6H5F4NO3S, Application In Synthesis of 107263-95-6.
Referemce:
https://en.wikipedia.org/wiki/Pyridine,
Pyridine | C5H5N – PubChem